Watch List notes:

Justinian I (527-565). AE Follis, Constantinople mint. Dated RY 13 (539/40). Obv. Helmeted and cuirassed bust facing, holding globus cruciger and shield; to right, cross. Rev. Large M between A/N/N/O and X/III; above, cross and below, Δ; in exergue, CON. D.O. 38d; Sear 163. AE. 22.74 g. 40.00 mm. An attractive example, struck on a broad flan. Good VF.